﻿/*   
    Copyright (C) 2009 Galaktika Corporation ZAO

    This file is a part of Galaktika.BusinessMonitor
 
    Galaktika.BusinessMonitor is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
      
    You should have received a copy of the GNU General Public License
    along with Galaktika.BusinessMonitor.  If not, see <http://www.gnu.org/licenses/>.
  
    If GPL v.3 is not suitable for your products or company,
    Galaktika Corp provides Galaktika.BusinessMonitor under a flexible commercial license
    designed to meet your specific usage and distribution requirements.
    If you have already obtained a commercial license from Galaktika Corp,
    you can use this file under those license terms.
*/

using System;

namespace Galaktika.BI.Runtime.Services
{
    public class UserTaskDescriptor
    {
        public UserTaskDescriptor(string caption)
        {
            this.Caption = caption;
            this.Started = DateTime.Now;
        }

        public readonly string Caption;
        public readonly DateTime Started;
        public DateTime? Finished;
        public string FinishMessage;
        public Exception Exception;
        public string FormId = string.Empty;
        public Func<string> GetErrorMessage;

        public WorkItemState CurrentState
        {
            get
            {
                if (this.Finished == null)
                {
                    return WorkItemState.Running;
                }

                return WorkItemState.Done;
            }
        }

        public override string ToString()
        {
            switch (this.CurrentState)
            {
                case WorkItemState.Running:
                    return string.Format("{0}  {1}... {2}", 
                        this.Started.ToLongTimeString(), 
                        this.Caption,
                        this.CurrentState);
                case WorkItemState.Done:
                    return string.Format("{0}  {1}... {2}",
                        this.Started.ToLongTimeString(),
                        this.Caption,
                        string.IsNullOrEmpty(this.FinishMessage) ? this.CurrentState.ToString() : this.FinishMessage);
            }
            return base.ToString();
        }
    }

    public enum WorkItemState
    {
        Running,
        Done
    }
}
